var getExplorer = (function () {
    var explorer = window.navigator.userAgent,
    compare = function (s) { return (explorer.indexOf(s) >= 0); },
	ie11 = (function () { return ("ActiveXObject" in window) })();
	if (compare("MSIE") || ie11) { return 'ie'; }
	else if (compare("Firefox") && !ie11) { return 'Firefox'; }
	else if (compare("Chrome") && !ie11) {
	    if (explorer.indexOf("Edge") > -1) {
    return 'Edge';
	    } else {
return 'Chrome';
	   }
    }
	else if (compare("Opera") && !ie11) { return 'Opera'; }
	else if (compare("Safari") && !ie11) { return 'Safari'; }	
})()
if (getExplorer == 'ie') {
	alert('当前浏览器是古老的IE，QUI仅支持现代浏览器！');
        //关闭IE
	window.opener = null;
	window.open('', '_self');
	window.close();
}